[Ruptured abdominal aortic aneurysms].
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Biomedical subjects
Publications and source records attributed to H H Noer.
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Between 1986 and 1991, a total of 18 patients (11 men and 7 women) with osteochondritis dissecans of the knee were treated with periosteal transplantation. Median patient age was 19 years (range: 16-45 years). Eight patients were reoperated up to 8 years postoperatively, due to reduced range of motion, synovitis, or formation of an exostosis in the transplanted area. Of 14 patients who were available for follow-up after 8 years (range: 5-10), 2 were completely pain free. Six patients had reduced range of motion, knee instability, or quadriceps muscle atrophy. The number of reoperations and the presence of continued knee pain in most patients does not justify the extensive procedure of periosteal transplantation.
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Medial migration of a LIH (Lars Ingvar Hansson) hookpin is a very rare complication to internal fixation of hip fractures. We report a case of medial migration of an LIH hook-pin into the acetabulum. The importance of using the correct length hook-pin and ensuring that the base of the hook-pin is outside the lateral cortex of the femur is stressed.
A case of subcutaneous emphysema of the left thigh as the initial symptoms of a perforated cancer of the descending colon is presented The literature on the subject is briefly reviewed. The resemblance to nontraumatic gas gangrene, and the importance of early therapy is discussed.
In order to assess the routine use of prophylactic antibiotics (AB) in arthroplastic surgery in Denmark, questionnaires were sent to all Danish orthopaedic departments and all general surgical departments that perform orthopaedic surgery. Fifty-six departments (93%) returned the questionnaires. All departments use prophylactic AB in primary knee and hip arthroplasty and in revision arthroplasty. In addition, all departments but one use prophylactic AB in arthroplasty secondary to osteosynthesis. The largest group of departments uses penicillinase-resistant penicillin (PRP) in their standard prophylaxis regimens. The second largest group uses second generation cephalosporins. With one exception, all use cefuroxime. A small group uses other types of AB. Fifteen percent of the departments combine systemic AB with gentamicin bone cement (GC) in primary hip arthroplasty, whereas 22% use this combination in primary knee arthroplasty. Significantly more departments use GC in revision arthroplasty (89%) and in arthroplasty secondary to osteosynthesis (63%). Prolonged antibiotic prophylaxis (beyond 24 hours) is practised to a significantly higher degree in revision arthroplastic surgery than in the primary arthroplasties. In conclusion, one of two homogeneous groups of prophylactic AB is used in arthroplastic surgery in Denmark as prescribed in the literature.
During a 10 year period 58 patients had 80 trigger fingers operated on at this hospital. The male/female ratio was 32:26 and most children were operated on at between the ages of 2 and 4 years, and 15 months (range 2-99) after the lesion had been noticed. The operation was quick and effective with no complications. Only one patient was re-operated on, with a good result. Thirteen patients had bilateral lesions. Both hands were examined and in 11 patients (19%) we found that the thickening corresponding to the trigger finger was also present on the opposite side but giving no symptoms. There seems to be a predisposition to bilateral affections.
In this retrospective study we reviewed the clinical charts for 82 patients who underwent lower limb amputation at our department during 1990 and 1991. Our results are compared with the literature, and different aspects of the treatment are discussed. Subsequently a model for future quality assurance is presented.
Continuous registration of operations and wound infections was used to demonstrate the effect of prophylactic antibiotics in hip fracture osteosynthesis. In order to monitor wound infections and other postoperative complications in an orthopaedic department, 2 years' data on 688 patients with hip fractures, were entered into a personal computer program. During 1990, there was no formal policy for antibiotic prophylaxis; during 1991 prophylactic cefuroxime was recommended for osteosynthesis of hip fractures. In 1990 56% of patients were given prophylaxis and in 1991 this rose to 79%. Overall, 68% of patients had prophylaxis. The overall rate of deep wound infections (DWI) was significantly lower in patients treated with prophylactic antibiotics (0.6%), compared with those without prophylaxis (4.6%). Patients with DWI were admitted to the hospital for an average of 43.7 days, compared with 14.6 days for patients without complications. We recommend the use of prophylactic cefuroxime in hip fracture osteosynthesis. Computer registration of complications is a useful method for clinical quality control in an orthopaedic department.
In the period from November 1987 to March 1990 17 supracondylar femoral fractures were treated a.m. Orthofix at the orthopaedic departments in Roskilde and Køge, Denmark. The fractures were classified according to Müller et al. There were 13 in group 2A and four in group 3A. In 16 cases the fractures occurred after minimal trauma. Time of operation was 55 minutes (30-150). The patients were fully mobilized after 16 days. The dynamizising procedure took place after six weeks, and the fixator was removed when the fracture was healed after 11 weeks. According to Neer's scoring system the results were good or excellent in 12 cases, and fair on one case. In all patients we found solid bony union. In seven cases we found pin infection. It was not necessary to operate because of the infection in any of these cases. Four cases were complicated with dislocation of the fracture because of bad locking at the ball joint of the fixator. We find this method easy to use in contrast to traditional osteosynthesis. The patients are quickly mobilized. It is easy to correct the fracture and the method gives solid bony healing.
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A personal computer program to monitor surgical wound infections and other complications in orthopedics was developed. Internationally accepted definitions were used. The program was tested in four Danish orthopedic wards. The test period was from 1 January 1988 to 30 June 1989. Results from four wards consisting of 4,346 wounds in 3,570 patients are presented. The overall superficial wound infection rate was 2.4%, deep wound infection rate was 0.9%, other infection rate was 3.1%, and other complications were developed in 4.3% of the cases. In contrast to previous computer systems presented, this system also registers other nosocomial infections, and other complications. We found the system easy to use, and during the period, the overall registration rate was over ninety percent. If a registration system is introduced in the ward, a combined system which registers all infections and complications is preferable, instead of a simple wound infection system.
From 1.1.1986-31.12.1987 we treated 78 fractures of the femoral neck with two Hansson nails in the Department of Orthopedic Surgery in the County Hospital in Roskilde. All cases were evaluated after two years. Fifteen patients had died (19.2%). Seventeen patients had had a secondary operation (21.8%). Secondary total hip replacement was performed in 19.2% of the patients, all of whom had primarily had a displaced fracture. There was one incident of deep infection, otherwise the rate of complications was low. The duration of the osteosynthesis operation was short and patients were discharged early from hospital. After two years, 31 patients were reexamined radiologically and clinically. The results were satisfactory in all cases. The method of osteosynthesis is recommended as a simple procedure with good results.
Gynecomastia was treated surgically by Webster's method in 23 patients during the period from 1983 to 1989. This surgical procedure was used if gynecomastia was classified from stage 1 to stage 2B. Cosmetic reasons were the major reasons for operation in 70% of the patients. The most common late postoperative sequelae were inverted areolae and hypaesthesiae of the areolar region. When operation was carried out, half of the patients were overweight. The remainder were of normal weight. Among the patients, who were overweight time of operation, 2/3 found that the cosmetic correction was unsatisfactory. In the "normal weight group" 2/3 were satisfied with the cosmetic result. The patients in the dissatisfied group found that too little tissue had been removed from the area. The operation is carried out through a little infraareolar incision. Because of this, it is technically difficult, especially in patients with considerable subcutaneous tissue. On this background, we find that Webster's method alone, not should be used as surgical treatment of gynecomastia in overweight patients.
A personal computer program to monitor wound infections and other complications after orthopedic operations was developed, adopting international criteria and definitions. The program offers fixed data entry screens, and a free text editor, and produces user-specified variations of seven screen pages comprising most of the epidemiological data needed for surveillance and complication control. Furthermore a number of special lists can be generated for use in the daily work. For all reports and lists it is possible to generate subpopulations with up to twelve criteria. The program was tested in four danish orthopedic departments and serves well as a simple local tool for the operating staff, offering fast information on complication rates. Results consisting 2,583 operations are presented. The overall rates of complications were 1.8% superficial wound infections, 0.6% deep wound infections, 2.6% other infections and 3.8 other complications. The system is lowcost and an effective method of providing a widespread uniform surveillance of surgical wound infections and other complications in the orthopedic wards.
Seventeen patients were treated by the implantation of gentamycin beads for localised Szilagyi type III prosthetic graft infection. Three patients had a pan prosthetic infection and half of the remaining patients were cured, but three of these died from other causes within 3 months. The mean observation time of the four survivors was 20 months (7-39 months). One of the seven patients, in whom the gentamycin beads failed, died of infection, giving a total mortality rate of 6% (1.5-29%). The remaining patients were cured after resection of the infected segment of the prosthesis at a mean follow-up of 22 months (8-37 months).
Instability in the thumb is one of the most frequent sport injuries following trauma with the finger in abducted position. Investigation of the stability includes pinch-hold test and conventional X-ray examination to visualize bone avulsion fractures. Occasionally radiologic stress test of stability or arthrography should be performed in cases of doubt. Surgical intervention must be performed in all cases with instability or uncertain clinical manifestation. Especially the distal rupture with folding of the ulnar collateral ligament, the Stener lesion, should be detected to avoid healing of the ligament to the first metacarpal bone. Any form of surgical treatment must be immobilized in a cast for 4 to 6 weeks. The tendency is to perform direct suture of capsules and ligaments for the first posttraumatic weeks, tenoplasty operations before 2-3 months and fusion in cases with persistent, chronic instability.
Registration of 883 operations, performed on the Orthopedic Department, Roskilde County Hospital, from 06.20.1988 to 12.31.1988, is presented. 95.9% of all operations were registrated primarily. 2.6% superficial wound infections and 1.2% deep were registered. Other infections constituted 2.3%, other complications 4.5%. A significant increase in the incidence of deep wound infections in contaminated wounds was observed. We also found an increase in incidence in prolonged operations (NS). Where types of infections and complications were concerned pronounced extension of the hospitalization occurred. The 4.1% of operations not registered primarily, were more often performed in the evening and night time, were more often contaminated operations and were more often patients with more than one operation during the registration period. No significant loss of information could be found. It is concluded, that establishing a continuous surveillance of wound infections has benefited to the department's control of its infection rate. We were satisfied with the program MIKRO-ORT, which we have used for the registration.